| 摘要 |
A method and apparatus for controlling the flow of fluids from an open well bore, fluidly communicating the surface and a subterranean formation, the apparatus comprising (a) a slideable base; (b) a support positioned on the base; (c) a pipe engaging device positioned on the support above the base to urge a pipe into the open well bore; and, (d) a pipe straightener positioned on the support means to engage the pipe and straighten it above the well bore. A method for using the apparatus of the present invention is also disclosed.
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